Princess|Lab Grown|IGI

1.20ct D VS1 Princess Lab Grown Diamond

EX • D/VS1

Diamond specifications and retailer prices

From £270 GBP
$359 USD
As of October 29, 2026
Save £502 GBP (65%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £771 GBP at The Diamond Guys · As of October 28, 2026
View at The Diamond Guys

About this 1.2ct lab-grown princess diamond

This 1.2ct lab-grown princess sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI. Listed at 4 retailers as of October 28, 2026, with prices from £270 to £771, a £502 spread on the same certified stone. The Diamond Guys lists it at £771. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions5.72 × 5.63 × 4.13 mm
L/W Ratio1.02
Top View
5.72 mm5.63 mm1.20 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 69.0%CrownGirdle: MediumPavilionCulet: NoneDepth 73.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £278 GBP|Low: £256 GBP|High: £771 GBP|Avg: £462 GBP|+5.9%
Retailer 1
Retailer 2
Retailer 3
The Diamond Guys
October 29, 2026
Retailer 2£270 GBP
Retailer 1£278 GBP
Retailer 3£583 GBP
The Diamond Guys£771 GBP

40 data points across 4 retailers

4 retailers£270 GBP to £771 GBP

A
Cheapest Retailer
-
£270 GBP
$359 USD
A
Retailer 2
-
£278 GBP
View
B
Retailer 3
-
£583 GBP
CA$1,078 CAD
View
Most Expensive
B
The Diamond Guys
1963059245 · Oct 28
£771 GBP
$1,027 USD
View
3 more retailers have this diamond
Prices start from £270 GBPSave up to £502 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.20ct Princess
£270 GBP